fix bug of package for arm

@@ -222,9 +222,9 @@ if [ $SRS_PI = YES ]; then
     SRS_HLS=YES
     SRS_NGINX=NO
     SRS_SSL=YES
-    if [ $SRS_FFMPEG = RESERVED ]; then SRS_FFMPEG=NO; fi
-    if [ $SRS_TRANSCODE = RESERVED ]; then SRS_TRANSCODE=YES; fi
-    if [ $SRS_INGEST = RESERVED ]; then SRS_INGEST=YES; fi
+    SRS_FFMPEG=NO
+    SRS_TRANSCODE=YES
+    SRS_INGEST=YES
     SRS_HTTP_PARSER=YES
     SRS_HTTP_CALLBACK=YES
     SRS_HTTP_SERVER=YES